abdominal wall malformation body-stalk anomaly https://github.com/monarch-initiative/mondo/issues/5422 body stalk anomaly BSA limb body wall complex A very rare anomaly (1 in 14,000 to 42,000 pregnancies; 1 in 7500 fetuses from 10 to 14 weeks of gestation) characterized by a complex anomaly of the anterior abdominal wall, severe kyphoscoliosis, rudimentary umbilical cord, and anatomical defects of the pelvis and lower limbs. GARD:0026253 body stalk complex LBWC MONDO:0100501